alt-title-type Type of Alternate Title

Reason for or purpose of an alternate title (for example, “toc” for a title used in a Table of Contents, “rt-running” for a right-running-head title for print).
OPTIONAL on element: <alt-title>
Value Meaning
Text, numbers, or special characters A word or phrase describing the rationale for this version of the title, for example, “right-running-head”.
Restriction @alt-title-type is an optional attribute; there is no default.
Tagged Sample

A running-head for an article title in print

 <book-title>Effect of Alcohol on Recurrence of
  Crohn&rsquo;s Disease</book-title>
 <alt-title alt-title-type="right-running-head">Alcohol 
  Effect on Crohn&rsquo;s Disease Recurrence</alt-title>